I recently started using Delicious, and while they have a nice Firefox plugin and a bunch of bookmarklets, there is no easy way to get Delicious bookmarks into the Safari bookmarks bar.
To get this done I wrote an Applescript with a little piece of Python to get Delicious bookmarks right in Safari. Here is how it looks:
Here is how to do it:

Get the 2 scripts below and save them to a suitable location. You might want to place it in ~/Library/Scripts/Applications/Safari

Edit the Applescript with the location of the Python script and the URL of your Delicious feed.

Run the Applescript.

Drag the resulting bookmarks folder or its content anywhere you want.

This will work for any RSS and maybe even Atom feed, you could even bookmark the feed of your Twitter account, for... *hum* easy access to individual tweets.
This is the Python code: